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Finding the Fourth Proportional to 481,725.50, 664,732.75 and 266,825.42

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Solution

The fourth proportional to 481,725.50, 664,732.75 and 266,825.42 is: 368,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,725.50 : 664,732.75 = 266,825.42 : x
  2. Step 2: Convert to fraction form
    481,725.50/664,732.75 = 266,825.42/x
  3. Step 3: Cross multiply
    481,725.50x = 664,732.75 × 266,825.42
  4. Step 4: Simplify right side
    481,725.50x = 177,367,595,206.51
  5. Step 5: Solve for x
    x = 177,367,595,206.51/481,725.50
  6. Step 6: Final answer
    x = 368,192.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.